Home / 353,727.40-488,127.78-192,578.44

Finding the Fourth Proportional to 353,727.40, 488,127.78 and 192,578.44

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Solution

The fourth proportional to 353,727.40, 488,127.78 and 192,578.44 is: 265,749.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,727.40 : 488,127.78 = 192,578.44 : x
  2. Step 2: Convert to fraction form
    353,727.40/488,127.78 = 192,578.44/x
  3. Step 3: Cross multiply
    353,727.40x = 488,127.78 × 192,578.44
  4. Step 4: Simplify right side
    353,727.40x = 94,002,886,393.06
  5. Step 5: Solve for x
    x = 94,002,886,393.06/353,727.40
  6. Step 6: Final answer
    x = 265,749.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.